SENILE MIOSIS

a reduction in the size of a person's pupil in old age caused by muscle atrophy that control dilation of a pupil. This restricts the amount of light to fall on retina.

SENILE MIOSIS: "Senile meiosis is seen in older people with atrophy of the muscles that control the pupil."
Cite this page: N., Pam M.S., "SENILE MIOSIS," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/senile-miosis/ (accessed August 20, 2019).
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